Replaces OEM # L21D4P72, L21L4P72, L21M4P73, SB10W51969, SB10W51970, SB11M89835, SB11M89836, SB11M89837, 5B10W51868, 5B10W51869, 5B10W51870, 5B10W51906, 5B11M90034, 5B11M90035, 5B11M90036 Fits: LENOVO THINKPAD L13 GEN 5, L13 GEN 5 21LC, P16S GEN 1, P16S GEN 1 21CK, P16S GEN 1 21CL, P16S GEN 2, P16S GEN 2 21HK, P16S GEN 2 21HL, P16S GEN 2 21K9, P16S GEN 2 21KA, T16 GEN 1, T16 GEN 1 21CH, T16 GEN 1 21CJ, T16 GEN 2, T16 GEN 2 21HH, T16 GEN 2 21HJ, T16 GEN 2 21K7, T16 GEN 2 21K8 Specs: 15.44V, 3400MAH, 52.5WH, 4 CELL Brand New GreenTech replacement battery - 6 Month Replacement Warranty Each product has undergone rigorous testing to ensure the correct voltage, circuit protection, stable current, low self-discharge and CE / FCC / RoHS Certified for safety